By CM's logic, traffic rules should be universal in USA etc and would also move out to cover International.
There are no provisions for anyone with Parkinson's to lose either their license or guns.
Part of the anti gun control argument is just this.
Cataracts? license revoked
Joined AA? license revoked, a habitual drinker, can't be trusted to not DUI
Take RX drugs that may inhibit your mental state? license revoked
We will turn into a dystopian state where behavior would govern your life. If you rant online, you'll lose your license.
But why are guns treated differently than cars? I need a gun for self-defense, you can take a bus or train, you dont NEED a car.